Gyratory structure.



G. W. COMES.

GYRATORY STRUCTURE.

APPLICATION FILED SEPT.24,1907.

1 ,1 23, 1 67, Patented De0.29,1914. 1 1 1.

3 SHEETS SHEET 1,

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ammo STRUCTURE.

APPLICATION FILED SEPT 24,1907. 1,123,167. Patented De0'29,1914

3 SHEETS-SHEBT 2.

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{ 26 Geazye W'omh" GEORGE W. COMBS, OF LEAVENWORTH, KANSAS.

, GYRATOR-Y STRUCTURE.

3 Specification of Letters Patent.

Patented Dec. 29, 1914.

Application filed September 24, 1907. Serial No. 394,330.

To all whom it may concern Be it known that I, GEORGE \V. Comes, a citizen of the United States, residing at Leavenworth, in the county of Leavenworth and State of Kansas, have 'invented certain new and useful Improvements in Gyratory Structures, of which the following is a specification.

My invention relates to improvements in gyratory structures; and pertains more par ticularly to the driving mechanism where-V by a gyratory motion is imparted to the structure.

My principal object is to relieve the building containing the structure of the vibration to which it is subjected when the driving mechanism in general use is employed.-

The mechanism whereby I attain this object includes a shaft mounted in the structure,

a fixedly mounted driver surrounding the axis of movement, a support for the shaft independent of the structure and the driver, and a yielding connection between the shaft and the driver so that said shaft is capable of the sli ht movement necessary to relieve the building from the strain to which it would be subjected in operation, especially. when starting or stopping the structure, such is incident to a rigid connection bctween the building and the gyratory structure.

Referring now to the accompanying drawings, which illustrate the invention: Figure 1 shows a vertical section of a gyratory sifter on line II of Fig. 2, provided with my improvements. Fig. 2 is a plan view of the same with th e resilient rods removed and the shaft in section on line II- II of Fig. 1. Fig. 3 is a planview of an overhead support for the shaft. Fig.4 is a vertical section on line IV-IV of Fig. Fig. 5 is a vertical section of the driver and the yielding connection between it and the shaft. Fig. 6 is an enlarged vertical section on iinc VIVI of Fig. 5. Fig. 7 is a side eleva tion of a modified form of the sifter and the drive mechanism. Fig. 8 is an end view of the same partly in section. Figs. 9 and l" are vertical sections on lines IX and X, respectively, of the modified form of drive mechanism. Fig. 11 is a detail view of a yicldingcoupling, forming part of the modified drive mechanisn'i for connecting the driver to the shaft.

1n the preferred form, Figs. 1 and 2, the gyratm'y structure 1 consists of four sieveboxes 2 connected in diagonal pairs of diagonally-arranged bridge-trees 3 and supported by resilient rods l from a suitable point overhead. With this construction the sieveboxes balance each other so that the heavy balance-weights usually employed for this purpose may be dispensed with. Bridgetrees 3 are provided with centrally-disposed bearings 5, in which 1 mount a shaft 6 having a set of cranks 7 journaled in one set of bridge-trees, while the main body of shaft 6 is journaled in the other set of bridgetrees, said cranks and body portion being arranged equal distances at opposite sides of the axial line of movement, so that when the shaft is rotated it will impart a gyratory motion to the sieveboxes.

8 designates a pin secured at its lower end to the upper end of the shaft by a hub 9 and so positioned as to constitute the center of rotation when the parts are in motion 'and working normally. The shaft revolves around this pin, the distance between the axis of the pin and the axis of the shaft being the radius of the orbit of gyration. Pin 8 is supported by a bearing secured to an adjacent portion of the building and consisting of a bearing-block and a base which latter has a chamber 21 in which the former is loosely mounted. The bearing-block con- I sists of a self-adjusting member 10 and a sliding member 1l,'the former of which has a lower curved end that fits in :1 correspondingly curved seat 13 in the latter. so that pin 8 may adjust itself to a. perpendicular posi tion should base 12 for any reason get slightly out of its proper position.

As will be noted, member 11 has no fixed connection with the surface on which it rests, and may therefore slide somewhat, over said surface, in case of any irregularity of movement, being restrained only by reason of the friction between the parts. The side walls of chamber 21 are only for the purpose of retaining a luln'icant, and are sufficiently distant from the engaging portion 23 of the bearing-block so that the latter does not come in contact with said walls. The inovement of said block is therefore not limited except by the friction between it and the adjacent surface and the nature' of the apparatus. Saidad'jacent surface, or chamber-bottom, is preferably flat, as shown in Fig. l: but may be concave, shown in Figs. 9 and 1 in order that the rotation of the pin will said chamber. The upper end of pin 8 has screwthreads 17, whereby it is adjustably engaged by collar 14, and a pair of locknuts 18. This permits the pin and the shaft to be adjusted vertically to their proper positions and also admits taking up any lost motion which may be occasioned by wear of the different parts. i

24 designates a drive-pulley which is mounted in a step-bearing 26 secured to an adjacent portion of the building (as the floor), the pulley being thus free from connection with the structure which it is designed to drive, except by the means which will presently be described. .l

The lower end of shaft 6 is provided with a hub 27, in which is secured an ex tension 28 connected at its lower end to a universal-joint 29, carrying a short pin 30, slidingly engaging the upper portion of a universfil-joint 31, which extends down into and is connected With the large hollow hub 32 of the drive-pulley 2%. The wall of hub is extended upward for the purpose of retaining a lubricant, and is sufficiently distant from the universal-joint 31 to prevent the latter from contacting with said wall. lly permitting pin 8 to slide laterally and yieldiugly-connecting the shaft to the driveulley it is obvious that any irregular motion of the shaft and the suspended structure will not be imparted to the building. The short pin 30 is prmided at its lower end with a feather 323, so that it slidingly engages and is turned by the universaljoint 31, hence should the shaft gyrate by reason of abnormal throw of the gyratory structure, pin 30 may slide upward and thus allow for the gyratory movement of the shaft.

Referring now to the modification, shown in Figs. T to 11, inclusive, 1 designates the gyratm'y structure, which, in this instance, consists of two sieve-boxes 2 connected by bridgetrcrs 1" and supported by resilient rods l. Bridge-trees i are provided with hearings 5', in which is mounted a shaft 6, carrying at its curls rights, as 'l", the center of gra ity being thus situated at one side of the axis of the shaft, o that when the a f ll) luniln' Bil. so that the pull y will L C) n be free from connection with the gyratory structure except by the means hereinafter described. This pulley has a large hollow hub 32 forming a chamber which contains a loosely mounted bearing-block consisting pf aself-adjusting member 10 and a slidmg member 11', the former being loosely mounted in the latter so that it will always be at right angles with a pin 8, the lower end of which rests thereon. Balls 15 are interposed between the end of the pin and the self-adjusting member to reduce the friction between these parts' Pin 8 is secured to the lower end of shaft 6 by means of a hub 27', which in the present instance is'a park-of the lowermost weight-arm. The bearing block rests upon a base 12 fixed to the upper end of a stub-shaft 25 secured in the step-bearing 26'. As the bearing-block has no fixed connection with the base 12 it is free to slide thereon in case the shaft should slightly gyrate before the machine has attained its re lar movement, being restrained only by reason of the friction between the arts. The face of base 12" is concaved so t at the friction between it and the bearing-block will increase in proportion to the lateral movement of the latter. Connection ismade between the drive-pulley and the pin 8 by a yieldingcoupling consisting of an upper plate 35,

an intermediate plate 36, and a lower plate 37. Plate 35, which is shown in an invertrd position in Fig. 10, is keyed to the lower portion of pin 8 and provided at its under side with a pair of diamctricallyopposed ribs 38, which slidingly engage the walls of a corresponding pair of grooves 39 in the upper surface of plate 36, which latter is provided with a pair ofdiametrically-opposed ribs 40 arranged at right angles to grooves 39. Ribs 40 slidingly engage the walls of a pair of, grooves 41 in the upper surface of plate 37 which'latter is secured to hub 32 of the drive-pulley. By inserting this coupling between pin 8" and the drive-Wheel it is obvious that when the latter is rotated it will impart a rotary movement to said shaft, and cause said shaft and the parts connectedthereto to travel about the axis indicated by the pin 8.

Having thus described my what I claim and desire to secure by Let tors Patent, is

1. In combination, a. suspended structure, suspending means therefor, a shaft mounted in said structure, a fixedly mounted driver surrnnmling the axis of movement, a suport for said shaft independent of said structure and said driver, and a yielding connection independent of the suspending inc-ans between the suspended structure and the driver whereby said structure is permitted a gyratory,movemcnt in operation.

in combination, a suspended body, a

llb

invention,

shaft arranged centrally therein and weighted to produce a gyratory movement, a pin set eccentrically to said shaft and extending downwardly and resting in a stepbearing whereby the weight of said shaft and its weights are supported, a driver having a central opening into which said pin extends but free of contact therewith, and a hearing in which said driver is mounted adjacent to the step-bearing carrying the in. p 3. In combination, a suspended structure arranged to have a gyratory movement, a driver mounted in a stationary bearing carried on an adjacent portion of the building, said driver having a central opening of considerable size, a shaft mounted in the suspended structure, and a pin set eccentric to said shaft, but secured thereto and extending down into the opening in the driver, and a step-bearin for said pin.

4. In combination, a suspended structure arranged to have a ,gyratory movement, a'

driver mounted in a stationary bearin carried on an adjacent portion of the bui ding, said driver having a central opening of com siderable size, a shaft mounted in the suspended structure, and a pin set eccentric to said shaft but secured thereto and extending down into the opening in the driver, and a step-bearing for said pin consisting of a suitable block slidably mounted on a base.

5. In combination, a suspended body, suspending devices therefor, means for giving said body a gyratory movement, a stationary driver, a shaft to said suspended body, a support for said shaft independent of said driver, and a yielding connection between said driver and the shaft of said suspended body whereby they areengaged for coincident rotation but permitting a' relative movement equal to the distance between the axis of rotation and the axis of gyration.

6. In combination, a suspended structure arranged to have a g ratory movement, a driver therefor, a sha t mounted therein, a pin set eccentric to said shaft, a step-bearing for said pin carr ing the weight thereof and of the shaft, sai move over the surface which it rests.

7. In combination, a suspended structure arranged to have a gyratory movement, a driver therefor, a shaft mounted in bearings engaging with said suspended structure, a pin set eccentric to said shaft. and a cham ber adapted to contain a lubricant and which is larger than said pin into which the lower end of said pin enters and upon the bottom of which it is supported and adapted to move.

8. In combination, a suspended structure arranged to have a gyratory movement, a driver therefor, a shaft thereto, a pin whose axial line is different from, that of the shaft of the support on step-bearing being freetb but operatively connected therewith, and a support upon which said pin rests having a friction surface over which said pm may move, whereby said pin and the parts carried thereby are frictionally restrained and the weight thereof supported.

9. In combination, a suspended structure arranged to have a gyratory movement, a driver therefor, a shaft thereto, a in whose axial line is different from that of the shaft but operatively connected therewith, a support upon which said pin rests having a friction surface over which said pin may move, and a bearing-block interposed between said pin and the surface of said support.

10. In combination, a suspended structurd arranged to have a gyratory movement, a driver therefor, a shaft thereto, a in whose axial line is different from that of the shaft but operatively connected therewith, and a support upon which said pin rests having a friction surface over which said pin may move, said surface being surrounded b I a wall thus forming also a lubricant cham er.

11. In combination, a suspended structure arranged to have a gyratory movement, a. driver therefor, a shaft thereto, a pin set eccentric to said shaft, and frictional means coacting with the eccentric pin for restraining abnormal throw of the suspended structure during yration.

12. In com ination, a suspended structure arranged to have a gyratory movement, a driver therefor, a shaft mounted in bearings engaging with said suspended structure, a pin whose axial line is different from that of the shaft but operatively connected therewith, and frictional means supporting the weight of the pin and parts carried thereby and coacting with said pin for restraining during gyration.

13. In combination, a suspended structure, a fixedly mounted driver surrounding the axis of movement, a shaft in said structure, a pin whose axial line is different from that of the shaft but operatively connected there.- with, a support upon which said pin rests, and a frictional device coacting with said pin for restraining abnormal throw of the structure during gyration.

14. In combination, a suspended structure, suspending means therefor, a shaft mounted in said structure, a support for said abnormal 'throw of the structure lUO shaft independent of said structure, a selfad usting member between the shaft and said support, a driver, and a yielding connection between the suspended structure and the driver whereby said structure is permitted a gyratory movement in operation.

15. In combination, a suspended structure a fixedly-mounted driver surrounding the axis of movement, a support for the shaft independent of the driver, a self-adjusting connection between the shaft and the sup- 3 port, and a yielding connection independent of the suspending means between the shaft and the driver.

16. In combination, a suspended body, a vertically-positioned shaft therein weighted to produce a gyratory movement, a pin connected to said shaft, a support for said pin, a self-adjusting member between the pin and said support, and a driver mounted in a fixed bearing adjacent to the end of the shaft and surrounding the axis of movement.

17. In combination, a suspended body, a shaft arranged centrally therein and weight ed to produce a gyratory movement, a pin secured to said shaft and extending through a base whereby the weight of the shaft and its weights are supported, a self-adjusting connection between the pin and said base, a driver, and a yielding connection independent of the suspending means between the suspended structure and the driver whereby said structure is permitted a gyratory move ment in operation.

18. In combination, a suspended structure arranged to have a gyratory movement, a

driver mounted in a stationarv bearing car ried on an adjacent portion of the building, said driver having a central opening of considerable size, a shaft mounted in the sus pended structure, a pin secured to said shaft and extending down into the opening in the driver, a step-bearing, and a self-adjusting connection between the pin and said stepbearin 19. fn combination, a suspended body, a

shaft arranged centrally therein, a driver yieldingly connected to said shaft, a pin also secured to said shaft, a base, a sliding member free to move on said base, and a self-adjusting connection between the pin and said sliding member.

20. In combination, a suspended body, suspending devices therefor, means for giving said body a gyratory movement, a stationary driver, a shaft to said suspended body, a

support for said shaft independent of said drlver, a self-adjusting member between the shaft and said support, and a yielding connection between said driver and the shaft of said suspended body whereby they are engaged for coincident rotation by permitting a relative movement equal to the distance between the axis of rotation and the axis of gyration.

21. In combination, a suspended'struc tune arranged to have a gyratory movement a driver therefor, a shaft mounted therein, a pin secured to said shaft, a bearing for said pin carryin the weight thereof and of the shaft, said wearing being free to move over the surface of the support on which it re and an adjustable member between the pin and said bearing.

22. In combination, a suspended structure arranged to have a gyratory movement, a driver therefor, a shaft thereto, a pin connected to said shaft, a support for said pin having a frictional surface whereby said pin and the parts carried thereby are frictiona'lly restrained and the weight thereof suprported and a self-adjusting connection between the pin and said support.

23. In combination, a suspended structure arranged to have a gyratory movement, a driver therefor, a shaft mounted in bearings engaging said suspended structure, a pin secured to said shaft, a base containing a lubricant chamber, a sliding member mounted on said .base and adapted to support the weight of the shaft, and a self-adjusting connection between the pin and said sliding, member. i

24. In combination, a suspended structurel arranged to havea gyratory movementfla driver, a shaft thereto, a pin secured to said shaft, frictional means enacting with said pin for restraining abnormal throw of the structure during gyration, and a self-adjusting member between the pin and said friction means.

25. In combination, a suspended structure,

a lixedlyunounted driver surrounding the axis of movement, a shaft in said structure,

a pin operably-connected to said shaft, a support for said pin, a frictional device coacting with said pin for restraining abnorand throw of the structure during gyration, and an adjustable member between the pin and said frictional device.

26, The combination, in a gyratory sif ter, of a sifter body, means whereby the same is suspended, bearings arranged centrally of said body, an ccccntricallywveighted Shaft mounted in said bearings, a pin on said -l12lft, a bearing supporting said pin and through it said weighted shaft, a self-adjnsting inr-ni wr between the pin and said bearings, a iixedlyunountial driver, and a yielding connection between the shaft and said driver.

'17. In combination, a suspended structure arranged to have a gvratory movement, a driver therefor, a shaft tl rein. a base having a curved surface, a sliding member having a curved surface resting in the curved surface of said base and udapi'al to count 12 with the pin for restraining abnormal throw of the strueture during g 'rai ion, and a self- :uliusting (runner-lion ili'i'WOlll the shaft and said sliding, lnei'nln-r.

1H, ln uonihinaiion. a suspended structure arranged in have. u gvratorv movement, a

driver ilu-l'i-l'or. a shaft the-rein. a base, a liding mem er iiwtvim whi h roads with linshaft fo l '-i,l fining abnormal ilirow of Jim slruz-iut dining gyraiiul'i, and a sell one, and a third member on the second memher adapted to slide at right agles thereto. said third member being fixed to the shaft.

stationary driver. a step-bearing on which the shaft of the suspended structure rests, and-yielding means connecting the driver and said shaft, consisting of a member fixed to the driver, a second member mo'vable upon.the first-mentioned one. and a third member movable on the second member and secured to the shaft, all of said members having openings through which the lower end of the shaft extends.

31. In combination, a suspended Structure arranged to have a gyratory movement, a stationary bearing, a driver mounted thereby, said driver having a central opening. laterally movable rotatable means including a shaft engaging the suspended structure, said rotatable means extending through the opening in the driver, and a step bearing for said rotatable means.

32. In combination, a suspended structure arranged to have a gyratory movement, a stationary bearing, a driver mounted thereby, said driver having a central opening. laterally movable rotatable means including a shaft for actuating the suspended structure, said rotatable means extending through the opening in the driver, and a step hearin for said rotatable means.

$3. In combination, two pairs of diagonally connected containers arranged to have a gyrat'ory movement, a shaft mounted therein, a driver for said shaft, a stem to said shaft, a step-bearing for said stem, carrying the Weight thereof and of the shaft, and a support for said step-bearing over the surface of which it is free to move.

34. In combination, two sets of diagonally connected containers, a rotary vertical shaft mrentrically connected to said. containers to gyrate the same, said shaft being free to move laterally in any direction, a driver therefor, a stem to said shaft, a step bearing for said stem carrying the Weight thereof and of the si aft, and a support for said step-bearing over the surface of which it is free to move.

35. In combination, two pairs of diagonally connected ccni lncrs, a vertical shaft havin oppositely disposed cranks connected to see: pair of containers to impart gym- 30. In combination, a gyratory structure, a

a gyratory movement, a driven shaft mounted therein, said containers and shaft being capable of lateral movement in any direction, a stem to said shaft, and a step-bearmg for said stem.

37. In combination, two sets of diagonally connected containers, a shaft arranged therein, a stem to said shaft extending downvi'ardly, a step -bearing for said stem, a fixedly-mounted driver surrounding the axis of rotation and operably-connected to the stem, and a bearing in which said driver is mounted adjacent to said stepabearing.

38. In combination, two sets of diagonally connected suspended containers, a vertical rotary shaft free to move horizontally and cccentrically connected to said containcrs, a stem to said shaft extending downwardly, a step-bearing supporting said stem, :1 fixedly-mounted driver surrounding the axis of rotation and operably-connected to the stem, and a bearing in which said driver is mounted adjacent to said step-bearing.

39. In combination, a gyratory body, a shaft arranged therein, and weighted to produce a gyratory movement, a stationary driver for said shaft, and a support for. said .shaft having a universal connection therewith.

40. In combination, a gyratory body, a shaft arranged therein and weighted to produce a gyratory movement, a support for said shaft, a stationary .driver, a shaft for said driven, and a'universal connection between said shafts.

41. In combination, a structure arranged to have a gyratorymovcmcnt, ashaft mounted in bearings engaging with said structure, weights secured to said shaft, a stationary driver for said shaft, and a support for said shaft having a universal connection there with.

42. In combination, a gyratory b0dy,'a crank shaft arranged therein, a stationary driver. a shaft therefor, and a support for said crank shaft having a universal connection between the same and said driver.

43. In combination, a gyratory body, a crank shaft arranged therein, weighted means thereon, a stationary driver operablyconnected to said crank shaft, and a support for said crank shaft having a universal conncction therewith.

H. In combination, a gyratory body, a crank shaft arranged therein, Weighted means thereon, a stationary driver, a shaft for said driver, and a universal conu ction between the driver shaft and said crank shaft.

45. In combination, a gyratory body, a crank arranged therein, weighted means thereon, a stationary driver, a shaft for said driver, a universal support for said crank shaft carried by the driver shaft, and a universal driving connection between the stationary driver and the crank shaft.

46. In combination a gyratory body, a crank shaft arranged therein, weighted means thereon, a stationary driver, a shaft therefor, a support for said crank constituting a universal connection between said shafts, and a universal connection between the stationary driver and the crank shaft.

47. In combination, a gyratory body, a shaft arranged therein, weighted means thereon, a stationary driver, a shaft therefor, and a support for said shafthaving a universal connection between the same and said driver shaft.

48. In combination a gyratory structure. a shaft thereto, a driver therefor, and frictional restraining means whereby abnormal throw of the structure is restricted.

=19. In combination a gyratory structure, a shaft thereto, a stationary driver therefor, and frictional restraining means whereby abnormal throw of the structure is restricted.

50. In combination, a gyratory body, suspending devices therefor, a shaft for actuat ing said gyratory body, a driver for said shaft, a support for said shaft independent of said driver, and a yielding connection be tween said driver and the shaft whereby they are engaged for coincident rotation ut permitting a relative movement equal to the distance between the axis of rotation and the axis of gyration.

51. In combination, a gyratory body, suspending devices therefor, a shaft for actuat ing said gyratory body, a driver for said shaft, a support for said shaft independent of said structure, and a yielding connection between said driver and the shaft whereby they are engaged for coincident rotation but permitting a relative movement equal to the distance between the axis of rotation and the axis of gyration.

52. In combination, a gyratoiy structure freely supported, a suspended drive shaft for actuating said gyratory structure, means for driving said shaft having a stationarv bearing, and a bearing member in which said shaft is journaled. said bearing member ha ring universal motion.

53. In combination, a gyratorv StliU'tlllt' freely supported. a suspended drive shufi for actuating said gyratory structure. a driver for said shaft. :1 bearing number free to move universally and in which said shaft is journaled, and a socket member for said.

bearing member free to move laterally and orbitally.

54. In combination, a gyratory structure, a suspended shaft for actuating said gyratory structure, means for driving said shaft, :1. bearing in which said shaft is journaled, a socket member for said bearing member free to move laterally in any direction, a cap on the shaft, and an antii'riction thrust bearing between said bearing member and the cap, whereby the shaft is suspended for free rotation in said bearing member while the latter is free to move universally.

5,7. In combination, two sets of diagonally connected containers, a suspended drive shaft for actuating said containers, {1 driver for said shaft, a bearing member free to move universally and in which said shaft is journaled, a socket member for said hear ing member, a car on the shaft, an antifriction thrust bearing between said hearing member and the cap, and a dust ca covering the firstmcntioiied cap and the antifriction thrust bearing.

56. In combination, two sets of diagonally connected containers, a shaft connect ed to said containers to produce a gyratory movement, a pin set eccentrically to said shaft and extending dmvnwardly and resting in a step-livearin; wherebv the Weight of said shaft is supported. a fixedly mounted driver surrounding the axis of rotation, and a bearing for said driver mounted adjacent to the step-bearing carrying the pin.

57. In combination, two pairs of diagonally connected containers. means whereby said. containers are suspended, bearings arranged between said containers, a shaft mounted in said bearings, an eccentric pin on said shaft, :1 step-hearing, supporting said pin, a fixedly mounted driver adjacent said step-bearing and surrounding the axis of movement, and a vielding connection between said driver and the shaft.

58. In combination, two sets of diagonallv connected containers, :1 support independent of said containers, :1 laterally movable, vertically positioncd shaft engz'iging the containers and said support, a fixed bearing surrounding the axis of movement of said shaft. a driver mounted in said bearing, and yielding connections between said driver and the shaft, whereby the latter may be driven from the former notwitlr standing the difference betw en the axis of rotation of the driver and the axis of rotation of said shaft.

59. In com ination. two sets of diagouall conuucteci containers, suspending means therefoa hearing members arrang d centrally of each set of containers. a laterally movable rotatable stem engaging said hearing members. a step-ljiearing for said stem, a driver having a central opening through which said stem extends but is free of contact therewith, and a bearing in which said driver is mounted.

60. In combination, two sets of diagonally connected containers, supporting means therefor, orbitally movable means for gyrating said container, and a steadying device comprising a laterally movable member supporting the gyrator means.

61. In combination, two sets of iliagir nally connected bodies, a gyrator for said bodies, a yielding steadying device to re strain the bodies from abnormal throw, a driver, and a transmission device between the g y rator and the driver, said device being slidable laterally to the driver.

62. In combination, two pairs of diagonally connected bodies, supporting means for said bodies, an independently supported gyrator for said bodies, and a slidable device concentric with and engaging said gyrator to steady the same.

63. In combination, two pairs of diagonally connected bodies arranged to have a gyratory movement, a driver therefor, a shaft thereto. a pin Whose axial line is different from that of the shaft but operablyconnected therewith, a support upon Which said pin rests having a Friction surface over whim said pin may more, and a bearing block interposed hetxwen said pin and the surface of said support.

(54. In combination. two pairs of dingo nally connected suspended bodies arranged to have a gyratory inmenn-nt. a driver therefor. a shaft thereto. a pin set eccentric to said shaft, and frictional means coacting with the eccentric pin for restraining abnorinal throw of the suspended bodies during gvration.

In testinunrv \Vhrl'euf l aflix my signature, in the presence of two witnesses.

GEORGE W. COMES. \Vitnesses Ayniinsox. K. II. Snmnnximuonn.

j i i I It is hereby certified that in Letters Patent No. 1,123,167, granted 1914, upon the application of George W.

improvement in Gyratory Structures,

requiring correction as follows: Page 5, line 107, for the word December 29,

Combs, of Leavenworth, Kansas, for an errors appear in the printed specification driven road rlriwr;

page 7, line 46, name of the second-mentioned witness, for "h. H, S1ivi 1mi1--rgvr" read G. H. She'idenberger; and that the said Letter: l tlithl h0u|d in: mu! 1111 these corrections therein that the same may conform to the record Patent Office.

of tin wane in the Signed and sealed this 26th day of January, A. 1)., 1:115.

[emu] It. 1. WE IT E11 EAD,

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